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https://issues.apache.org/jira/browse/HDFS-12646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chencan updated HDFS-12646:
---------------------------
Description: IO operations should be allowed while holding the dataset
lock. Notable offenders include but are not limited to the instantiation of a
block sender/receiver, constructing the path to a block, unfinalizing a block.
(was: IO operations should be allowed while holding the dataset lock. Notable
offenders include but are not limited to the instantiation of a block
sender/receiver, constructing the path to a block, unfinalizing a block.)
> Avoid IO while holding the FsDataset lock
> -----------------------------------------
>
> Key: HDFS-12646
> URL: https://issues.apache.org/jira/browse/HDFS-12646
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: 2.8.0
> Reporter: Daryn Sharp
> Priority: Major
>
> IO operations should be allowed while holding the dataset lock. Notable
> offenders include but are not limited to the instantiation of a block
> sender/receiver, constructing the path to a block, unfinalizing a block.
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